From 5d165c5543fbcbd26e443ee501063decb4ef73b4 Mon Sep 17 00:00:00 2001 From: Russell King Date: Tue, 8 Jul 2014 00:23:09 +0100 Subject: [PATCH] net: fec: remove useless fep->opened napi_disable() waits until the NAPI processing has completed, and then prevents any further polls. At this point, the driver then clears fep->opened. The NAPI poll function uses this to stop processing in the receive path. Hence, it will never see this variable cleared, because the NAPI poll has to complete before it will be cleared. Therefore, this variable serves no purpose, so let's remove it. Acked-by: Fugang Duan Signed-off-by: Russell King Signed-off-by: David S. Miller --- drivers/net/ethernet/freescale/fec.h | 1 - drivers/net/ethernet/freescale/fec_main.c | 5 ----- 2 files changed, 6 deletions(-) diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h index 671d080..96d2a18 100644 --- a/drivers/net/ethernet/freescale/fec.h +++ b/drivers/net/ethernet/freescale/fec.h @@ -308,7 +308,6 @@ struct fec_enet_private { struct platform_device *pdev; - int opened; int dev_id; /* Phylib and MDIO interface */ diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index e0a1ac1..309aa2f 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -1215,9 +1215,6 @@ fec_enet_rx(struct net_device *ndev, int budget) if ((status & BD_ENET_RX_LAST) == 0) netdev_err(ndev, "rcv is not +last\n"); - if (!fep->opened) - goto rx_processing_done; - /* Check for errors. */ if (status & (BD_ENET_RX_LG | BD_ENET_RX_SH | BD_ENET_RX_NO | BD_ENET_RX_CR | BD_ENET_RX_OV)) { @@ -2172,7 +2169,6 @@ fec_enet_open(struct net_device *ndev) napi_enable(&fep->napi); phy_start(fep->phy_dev); netif_start_queue(ndev); - fep->opened = 1; return 0; } @@ -2185,7 +2181,6 @@ fec_enet_close(struct net_device *ndev) /* Don't know what to do yet. */ napi_disable(&fep->napi); - fep->opened = 0; netif_tx_disable(ndev); fec_stop(ndev); -- 2.7.4